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<?php
declare(strict_types=1);
namespace Doctrine\ORM\Query\AST\Functions;
use Doctrine\ORM\Query\QueryException;
use Doctrine\ORM\Query\SqlWalker;
use function strtolower;
/**
* "DATE_SUB(date1, interval, unit)"
*
* @link www.doctrine-project.org
*/
class DateSubFunction extends DateAddFunction
{
/** @inheritdoc */
public function getSql(SqlWalker $sqlWalker)
{
switch (strtolower($this->unit->value)) {
case 'second':
return $sqlWalker->getConnection()->getDatabasePlatform()->getDateSubSecondsExpression(
$this->firstDateExpression->dispatch($sqlWalker),
$this->intervalExpression->dispatch($sqlWalker)
);
case 'minute':
return $sqlWalker->getConnection()->getDatabasePlatform()->getDateSubMinutesExpression(
$this->firstDateExpression->dispatch($sqlWalker),
$this->intervalExpression->dispatch($sqlWalker)
);
case 'hour':
return $sqlWalker->getConnection()->getDatabasePlatform()->getDateSubHourExpression(
$this->firstDateExpression->dispatch($sqlWalker),
$this->intervalExpression->dispatch($sqlWalker)
);
case 'day':
return $sqlWalker->getConnection()->getDatabasePlatform()->getDateSubDaysExpression(
$this->firstDateExpression->dispatch($sqlWalker),
$this->intervalExpression->dispatch($sqlWalker)
);
case 'week':
return $sqlWalker->getConnection()->getDatabasePlatform()->getDateSubWeeksExpression(
$this->firstDateExpression->dispatch($sqlWalker),
$this->intervalExpression->dispatch($sqlWalker)
);
case 'month':
return $sqlWalker->getConnection()->getDatabasePlatform()->getDateSubMonthExpression(
$this->firstDateExpression->dispatch($sqlWalker),
$this->intervalExpression->dispatch($sqlWalker)
);
case 'year':
return $sqlWalker->getConnection()->getDatabasePlatform()->getDateSubYearsExpression(
$this->firstDateExpression->dispatch($sqlWalker),
$this->intervalExpression->dispatch($sqlWalker)
);
default:
throw QueryException::semanticalError(
'DATE_SUB() only supports units of type second, minute, hour, day, week, month and year.'
);
}
}
}
|
